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| Natura: | Preprint |
| Pubblicazione: |
2020
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| Accesso online: | https://arxiv.org/abs/2008.11854 |
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| _version_ | 1866916383226331136 |
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| author | Viesca, Robert C. |
| author_facet | Viesca, Robert C. |
| contents | We assess if a characteristic length for a non-linear interfacial slip instability follows from theoretical descriptions of sliding friction. We examine friction laws and their coupling with the elasticity of bodies in contact and show that such a length does not always exist. We consider a range of descriptions for frictional strength and show that the area needed to support a slip instability is negligibly small for laws that are more faithful to experimental data. This questions whether a minimum earthquake size exists and shows that the nucleation phase of dynamic rupture contains discriminatory information on the nature of frictional strength evolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2008_11854 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | Frictional state evolution laws and the non-linear nucleation of dynamic shear rupture Viesca, Robert C. Soft Condensed Matter Dynamical Systems Geophysics We assess if a characteristic length for a non-linear interfacial slip instability follows from theoretical descriptions of sliding friction. We examine friction laws and their coupling with the elasticity of bodies in contact and show that such a length does not always exist. We consider a range of descriptions for frictional strength and show that the area needed to support a slip instability is negligibly small for laws that are more faithful to experimental data. This questions whether a minimum earthquake size exists and shows that the nucleation phase of dynamic rupture contains discriminatory information on the nature of frictional strength evolution. |
| title | Frictional state evolution laws and the non-linear nucleation of dynamic shear rupture |
| topic | Soft Condensed Matter Dynamical Systems Geophysics |
| url | https://arxiv.org/abs/2008.11854 |